Across
- 1. people who get food by hunting animals and gathering wild berries, roots, grains, and other types of fruits to survive.
- 8. The Middle stone age, when humans migrated and developed more advanced tools.
- 9. the period of time before written records
- 11. the shift from food gathering to food producing
- 15. A society with cities, a central government, job specialization, and social classes
- 16. the ocean levels dropped, exposing land otherwise covered with water. Allowed early humans were able to travel to other continents.
- 17. The process of changing plants or animals to make them more useful to humans
- 18. The Old Stone Age, lasting about 2.5 million years, when primitive stone tools were used.
- 19. a person who studies the remains (artifacts, relics and monuments) of past human life and activities
- 20. a 3 million year old hominid that walked upright.
Down
- 2. farming
- 3. A relative who lived in the past
- 4. Known as the Iceman,Glaciers preserved his body, clothing, and other objects for thousands of years.
- 5. long period of freezing weather, when huge sheets of ice covered much of the earth's land.
- 6. the study of human societies and cultures and their development.
- 7. someone who travels from place to place in search of food and shelter
- 10. first group of early hominids
- 12. A way of supplying water to an area of land
- 13. early ancestors of humans
- 14. movement of people from one place to another